Bluetooth speaker



FIG. 1 is a rear elevational view of a bluetooth speaker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines shown are included for the purpose of illustrating portions of the bluetooth speaker that form no part of the claim. 

CLAIM The ornamental design for a bluetooth speaker, as shown and described. 